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nexedi
MariaDB
Commits
b81af1c7
Commit
b81af1c7
authored
Aug 19, 2004
by
serg@serg.mylan
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Plain Diff
less strict assert to take into account weird cases
parent
dd3db08b
Changes
3
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3 changed files
with
14 additions
and
2 deletions
+14
-2
mysql-test/r/type_float.result
mysql-test/r/type_float.result
+3
-0
mysql-test/t/type_float.test
mysql-test/t/type_float.test
+7
-0
sql/field.cc
sql/field.cc
+4
-2
No files found.
mysql-test/r/type_float.result
View file @
b81af1c7
...
@@ -114,6 +114,9 @@ select min(a) from t1;
...
@@ -114,6 +114,9 @@ select min(a) from t1;
min(a)
min(a)
-0.010
-0.010
drop table t1;
drop table t1;
create table t1 (c20 char);
insert into t1 (c20) values (5000.0);
drop table t1;
create table t1 (f float(54));
create table t1 (f float(54));
Incorrect column specifier for column 'f'
Incorrect column specifier for column 'f'
drop table if exists t1;
drop table if exists t1;
mysql-test/t/type_float.test
View file @
b81af1c7
...
@@ -54,6 +54,13 @@ select a from t1 order by a;
...
@@ -54,6 +54,13 @@ select a from t1 order by a;
select
min
(
a
)
from
t1
;
select
min
(
a
)
from
t1
;
drop
table
t1
;
drop
table
t1
;
#
# float in a char(1) field
#
create
table
t1
(
c20
char
);
insert
into
t1
(
c20
)
values
(
5000.0
);
drop
table
t1
;
# Errors
# Errors
--
error
1063
--
error
1063
...
...
sql/field.cc
View file @
b81af1c7
...
@@ -3733,15 +3733,17 @@ static void store_double_in_string_field(Field_str *field, uint32 field_length,
...
@@ -3733,15 +3733,17 @@ static void store_double_in_string_field(Field_str *field, uint32 field_length,
use_scientific_notation
=
(
field
->
ceiling
<
nr
);
use_scientific_notation
=
(
field
->
ceiling
<
nr
);
}
}
length
=
(
uint
)
sprintf
(
buff
,
"%-.*g"
,
length
=
(
uint
)
sprintf
(
buff
,
"%-.*g"
,
use_scientific_notation
?
max
(
0
,
field_length
-
5
)
:
field_length
,
use_scientific_notation
?
max
(
0
,
(
int
)
field_length
-
5
)
:
field_length
,
nr
);
nr
);
/*
/*
+1 below is because "precision" in %g above means the
+1 below is because "precision" in %g above means the
max. number of significant digits, not the output width.
max. number of significant digits, not the output width.
Thus the width can be larger than number of significant digits by 1
Thus the width can be larger than number of significant digits by 1
(for decimal point)
(for decimal point)
the test for field_length < 5 is for extreme cases,
like inserting 500.0 in char(1)
*/
*/
DBUG_ASSERT
(
length
<=
field_length
+
1
);
DBUG_ASSERT
(
field_length
<
5
||
length
<=
field_length
+
1
);
field
->
store
(
buff
,
min
(
length
,
field_length
));
field
->
store
(
buff
,
min
(
length
,
field_length
));
}
}
...
...
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